This problem has been polished along with an enhanced test suite.
nice moderate problem
Replace NaNs with the number that appears to its left in the row.
Are all the three given point in the same line?
Side of a rhombus
Converting binary to decimals
Select primes from the matrix.
Sum positive elements of matrix.
Calculate roots of polynomial given as vector array.
Set x value to each odd index of vector y.
Multiply two polynomials p and q given in in vector representation.
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